879 resultados para Creichton, John, b. 1648.
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William Frederick Haile was born in Putney, Windham County, Vermont on November 4th, 1791. He was raised in Fairfield, Herkimer County, New York. At the age of 21 he entered the United States Army. He served in the War of 1812 as a lieutenant in the 11th United States Infantry. He was severely wounded in the Battle of Lundy’s Lane [not mentioned in this memoir]. After the war he settled in Plattsburgh, New York and became a lawyer. He was a judge from April 1837 to March of 1843. He was also the fifth collector of customs for the District of Champlain. He died on October 1861 at the age of 69. This document was written for the children of William Frederick Haile in January of 1859 [as noted on p.23]. The memoir ends in July of 1814 before the Battle of Lundy’s Lane. Haile’s memoir is laced with names of military personnel and he expresses his opinions freely.
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UANL
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John B. Davis explores the question of what the economic individual is. He bases his considerations of orthodox economics on the assumption that these theories implicitly rely on a conception of the individual that has its origin in Locke’s idea of the self as subjective inwardness. Economic history then is the attempt to deal with Locke’s inherent problems that this view involved. If neoclassical economics still has aspects of human psychology, mainstream economics dropped the subjective concept of the individual out of their considerations. However, Davis demonstrates that even the neoclassical concept of the individual fails to pass the existence test of individual identity. The latter is an idea developed in analogy to philosophers’ concern about personal identity and examines if the individual can be distinguished among different individuals and if he or she can be reidentified as the selfsame individual through time. The failure of the theory of the individual in orthodox economics led Davis to develop a concept of a socially embedded individual in accordance with heterodox accounts of economics. He submits this conception to the same test of individual identity. It appears that the socially embedded individual can be said to hold an identity in specific circumstances.
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Dentro del marco de la Rendición de Cuentas, los medios de comunicación han logrado convertirse en destacados mecanismos de accountability social, puesto que para ello se requiera visibilidad y los medios son la herramienta más útil para lograr este objetivo. Un ejemplo de estos procesos de visibilidad y accountability es el escándalo generado alrededor del programa gubernamental Agro Ingreso Seguro, principal tema de análisis de la presente monografía.
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Los debates en torno al concepto de seguridad han aumentado debido al fortalecimiento de la Democracia Liberal, el Estado de Derecho y la protección de los Derechos Humanos. En este contexto, se han establecido nuevos enfoques de seguridad que responden a los desafíos actuales que enfrenta el ser humano como alimentación, trabajo, salud, educación y vivienda. De esta manera, el enfoque restringido del concepto de seguridad entendido como la protección del Estado ha sido complementado, y no reemplazado, por la seguridad humana. Entre una gran variedad de posturas, Canadá y Japón se destacan en el marco de los estudios de seguridad, especialmente, en el estudio y aplicación de la seguridad humana. Kosovo, por su parte, se vio beneficiado por la participación de Canadá y Japón a la luz de los principios de Freedom from Fear y Freedom from Want durante su proceso de reconstrucción.
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Estamos conmemorando 100 años de la publicación del llamado “Manifiesto Conductista”, un artículo de John B. Watson titulado “La psicología como la ve el conductista” (“Psychology as the behaviorist sees it”). Indudablemente este artículo ejerció una notable influencia en la psicología norteamericana y contribuyó a que el Conductismo se convirtiera en la corriente dominante de la psicología durante más de 30 años (al menos entre los años 20 y 50 del Siglo XX).
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La historia como factor destinado a brindar una orientación acerca de la presencia y transformación de la figura desde el siglo XVI. La descripción de hechos pasados es utilizada como método para explicar cambios que se han presentado en la materia
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(1) Stimulation of the vanilloid receptor-1 (TRPV1) results in the activation of nociceptive and neurogenic inflammatory responses. Poor specificity and potency of TRPV1 antagonists has, however, limited the clarification of the physiological role of TRPV1. (2) Recently, iodo-resiniferatoxin (I-RTX) has been reported to bind as a high affinity antagonist at the native and heterologously expressed rat TRPV1. Here we have studied the ability of I-RTX to block a series of TRPV1 mediated nociceptive and neurogenic inflammatory responses in different species (including transfected human TRPV1). (3) We have demonstrated that I-RTX inhibited capsaicin-induced mobilization of intracellular Ca(2+) in rat trigeminal neurons (IC(50) 0.87 nM) and in HEK293 cells transfected with the human TRPV1 (IC(50) 0.071 nM). (4) Furthermore, I-RTX significantly inhibited both capsaicin-induced CGRP release from slices of rat dorsal spinal cord (IC(50) 0.27 nM) and contraction of isolated guinea-pig and rat urinary bladder (pK(B) of 10.68 and 9.63, respectively), whilst I-RTX failed to alter the response to high KCl or SP. (5) Finally, in vivo I-RTX significantly inhibited acetic acid-induced writhing in mice (ED(50) 0.42 micro mol kg(-1)) and plasma extravasation in mouse urinary bladder (ED(50) 0.41 micro mol kg(-1)). (6) In in vitro and in vivo TRPV1 activated responses I-RTX was approximately 3 log units and approximately 20 times more potent than capsazepine, respectively. This high affinity antagonist, I-RTX, may be an important tool for future studies in pain and neurogenic inflammatory models.
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Damage following ischemia and reperfusion (I/R) is common in the intestine and can be caused during abdominal surgery, in several disease states and following intestinal transplantation. Most studies have concentrated on damage to the mucosa, although published evidence also points to effects on neurons. Moreover, alterations of neuronally controlled functions of the intestine persist after I/R. The present study was designed to investigate the time course of damage to neurons and the selectivity of the effect of I/R damage for specific types of enteric neurons. A branch of the superior mesenteric artery supplying the distal ileum of anesthetised guinea pigs was occluded for 1 h and the animals were allowed to recover for 2 h to 4 weeks before tissue was taken for the immunohistochemical localization of markers of specific neuron types in tissues from sham and I/R animals. The dendrites of neurons with nitric oxide synthase (NOS) immunoreactivity, which are inhibitory motor neurons and interneurons, were distorted and swollen by 24 h after I/R and remained enlarged up to 28 days. The total neuron profile areas (cell body plus dendrites) increased by 25%, but the sizes of cell bodies did not change significantly. Neurons of type II morphology (intrinsic primary afferent neurons), revealed by NeuN immunoreactivity, were transiently reduced in cell size, at 24 h and 7 days. These neurons also showed signs of minor cell surface blebbing. Calretinin neurons, many of which are excitatory motor neurons, were unaffected. Thus, this study revealed a selective damage to NOS neurons that was observed at 24 h and persisted up to 4 weeks, without a significant change in the relative numbers of NOS neurons.
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An acute enteritis is commonly followed by intestinal neuromuscular dysfunction, including prolonged hyperexcitability of enteric neurons. Such motility disorders are associated with maintained increases in immune cells adjacent to enteric ganglia and in the mucosa. However, whether the commonly used animal model, trinitrobenzene sulphonate (TNBS)-induced enteritis, causes histological and immune cell changes similar to human enteric neuropathies is not clear. We have made a detailed study of the mucosal damage and repair and immune cell invasion following intralumenal administration of TNBS. Intestines from untreated, sham-operated and TNBS-treated animals were examined at 3 h to 56 days. At 3 h, the mucosal surface was completely ablated, by 6 h an epithelial covering was substantially restored and by 1 day there was full re-epithelialisation. The lumenal epithelium developed from a squamous cell covering to a fully differentiated columnar epithelium with mature villi at about 7 days. Prominent phagocytic activity of enterocytes occurred at 1-7 days. A surge of eosinophils and T lymphocytes associated with the enteric nerve ganglia occurred at 3 h to 3 days. However, elevated immune cell numbers occurred in the lamina propria of the mucosa until 56 days, when eosinophils were still three times normal. We conclude that the disruption of the mucosal surface that causes TNBS-induced ileitis is brief, a little more than 6 h, and causes a transient immune cell surge adjacent to enteric ganglia. This is much briefer than the enteric neuropathy that ensues. Ongoing mucosal inflammatory reaction may contribute to the persistence of enteric neuropathy.